AHSG and chronic kidney disease: In the previous investigation, the dialysis patients had a lower serum fetuin A level than the age- and gender-matched cohort without CKD.[11] Our participants had a median level of fetuin A of 0.45 g/L (IQR 0.29‒0.73) which was lower than that in the Cardiovascular Health Study (0.47 g/L; IQR 0.41‒0.54).